drm: add debug print to update_vblank_count
authorOleg Vasilev <oleg.vasilev@intel.com>
Thu, 13 Jun 2019 12:18:00 +0000 (15:18 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 14 Jun 2019 16:10:04 +0000 (19:10 +0300)
commit41ff5bd834356a310ad909152f19bf23963527ce
tree2e0d48b143b09cb71af305e32b326f7178e11569
parenta0e93c41eb75ab05bd07d4bd8027f30d484b3966
drm: add debug print to update_vblank_count

Since we are logging all vblank counter updates 30 lines below,
it is also good to have some details whether and how vblank count
difference is calculated.

Signed-off-by: Oleg Vasilev <oleg.vasilev@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190613121802.2193-1-oleg.vasilev@intel.com
drivers/gpu/drm/drm_vblank.c